1. Graduate Student, Dept. of Civil Engineering, Indian Institute of Technology Kharagpur, Kharagpur 721302, India.
2. Associate Professor, Dept. of Civil Engineering, Indian Institute of Technology Kharagpur, Kharagpur 721302, India (corresponding author).
3. Director, Central Building Research Institute, Roorkee, Uttarkhand 247667, India; and Professor, Dept. of Civil Engineering, Indian Institute of Technology Kharagpur, Kharagpur 721302, India.